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list-mechanisms: initial implementation
Resolves: #563 Signed-off-by: Alexander Sosedkin <[email protected]>
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/* | ||
* Copyright (c) 2023, Red Hat Inc. | ||
* | ||
* All rights reserved. | ||
* | ||
* Redistribution and use in source and binary forms, with or without | ||
* modification, are permitted provided that the following conditions | ||
* are met: | ||
* | ||
* * Redistributions of source code must retain the above | ||
* copyright notice, this list of conditions and the | ||
* following disclaimer. | ||
* * Redistributions in binary form must reproduce the | ||
* above copyright notice, this list of conditions and | ||
* the following disclaimer in the documentation and/or | ||
* other materials provided with the distribution. | ||
* * The names of contributors to this software may not be | ||
* used to endorse or promote products derived from this | ||
* software without specific prior written permission. | ||
* | ||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | ||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | ||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | ||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | ||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS | ||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | ||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | ||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF | ||
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH | ||
* DAMAGE. | ||
* | ||
* Author: Alexander Sosedkin <[email protected]> | ||
*/ | ||
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#include "config.h" | ||
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#include "constants.h" | ||
#define P11_DEBUG_FLAG P11_DEBUG_LIB | ||
#include "debug.h" | ||
#include "iter.h" | ||
#include "message.h" | ||
#include "pkcs11.h" | ||
#include "print.h" | ||
#include "tool.h" | ||
#include "uri.h" | ||
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#include <assert.h> | ||
#include <stdio.h> | ||
#include <stdlib.h> | ||
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#ifdef ENABLE_NLS | ||
#include <libintl.h> | ||
#define _(x) dgettext(PACKAGE_NAME, x) | ||
#else | ||
#define _(x) (x) | ||
#endif | ||
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int | ||
p11_kit_list_mechanisms (int argc, | ||
char *argv[]); | ||
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static void | ||
print_mechanism_with_info (CK_MECHANISM_TYPE mechanism, | ||
CK_MECHANISM_INFO info) | ||
{ | ||
const char *mechanism_nick = NULL; | ||
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mechanism_nick = p11_constant_nick (p11_constant_mechanisms, mechanism); | ||
if (mechanism_nick == NULL) | ||
printf ("0x%lX (unknown):", mechanism); | ||
else | ||
printf ("%s:", mechanism_nick); | ||
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if (info.flags & CKF_HW) | ||
printf (" hw"); | ||
if (info.flags & CKF_MESSAGE_ENCRYPT) | ||
printf (" message-encrypt"); | ||
if (info.flags & CKF_MESSAGE_DECRYPT) | ||
printf (" message-decrypt"); | ||
if (info.flags & CKF_MESSAGE_SIGN) | ||
printf (" message-sign"); | ||
if (info.flags & CKF_MESSAGE_VERIFY) | ||
printf (" message-verify"); | ||
if (info.flags & CKF_MULTI_MESSAGE) | ||
printf (" multi-message"); | ||
if (info.flags & CKF_FIND_OBJECTS) | ||
printf (" find-objects"); | ||
if (info.flags & CKF_ENCRYPT) | ||
printf (" encrypt"); | ||
if (info.flags & CKF_DECRYPT) | ||
printf (" decrypt"); | ||
if (info.flags & CKF_DIGEST) | ||
printf (" digest"); | ||
if (info.flags & CKF_SIGN) | ||
printf (" sign"); | ||
if (info.flags & CKF_SIGN_RECOVER) | ||
printf (" sign-recover"); | ||
if (info.flags & CKF_VERIFY) | ||
printf (" verify"); | ||
if (info.flags & CKF_SIGN_RECOVER) | ||
printf (" verify-recover"); | ||
if (info.flags & CKF_GENERATE) | ||
printf (" generate"); | ||
if (info.flags & CKF_GENERATE_KEY_PAIR) | ||
printf (" generate-key-pair"); | ||
if (info.flags & CKF_WRAP) | ||
printf (" wrap"); | ||
if (info.flags & CKF_UNWRAP) | ||
printf (" unwrap"); | ||
if (info.flags & CKF_DERIVE) | ||
printf (" derive"); | ||
if (info.flags & CKF_EXTENSION) | ||
printf (" extension"); | ||
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if (info.ulMaxKeySize) | ||
printf (" key-size=%lu-%lu", info.ulMinKeySize, info.ulMaxKeySize); | ||
printf ("\n"); | ||
} | ||
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static int | ||
list_mechanisms (const char *token_str) | ||
Check warning Code scanning / CodeQL Poorly documented large function Warning
Poorly documented function: fewer than 2% comments for a function of 108 lines.
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{ | ||
int ret = 1; | ||
CK_FUNCTION_LIST **modules = NULL; | ||
CK_FUNCTION_LIST *module = NULL; | ||
P11KitUri *uri = NULL; | ||
P11KitIter *iter = NULL; | ||
CK_SESSION_HANDLE session = 0; | ||
CK_SLOT_ID slot = 0; | ||
CK_TOKEN_INFO token_info; | ||
char *label = NULL; | ||
CK_MECHANISM_INFO mechanism_info; | ||
CK_MECHANISM_TYPE_PTR mechanisms = NULL; | ||
CK_MECHANISM_TYPE_PTR mechanisms_new = NULL; | ||
unsigned long mechanisms_count = 0; | ||
unsigned long i; | ||
p11_list_printer printer; | ||
CK_RV rv; | ||
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uri = p11_kit_uri_new (); | ||
if (uri == NULL) { | ||
p11_message (_("failed to allocate memory")); | ||
goto cleanup; | ||
} | ||
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if (p11_kit_uri_parse (token_str, P11_KIT_URI_FOR_OBJECT_ON_TOKEN, uri) != P11_KIT_URI_OK) { | ||
p11_message (_("failed to parse URI")); | ||
goto cleanup; | ||
} | ||
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modules = p11_kit_modules_load_and_initialize (0); | ||
if (modules == NULL) { | ||
p11_message (_("failed to load and initialize modules")); | ||
goto cleanup; | ||
} | ||
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iter = p11_kit_iter_new (uri, P11_KIT_ITER_WITH_LOGIN | P11_KIT_ITER_WITH_TOKENS | P11_KIT_ITER_WITHOUT_OBJECTS); | ||
if (iter == NULL) { | ||
p11_debug ("failed to initialize iterator"); | ||
goto cleanup; | ||
} | ||
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p11_list_printer_init (&printer, stdout, 0); | ||
p11_kit_iter_begin (iter, modules); | ||
while ((rv = p11_kit_iter_next (iter)) == CKR_OK) { | ||
module = p11_kit_iter_get_module (iter); | ||
if (module == NULL) { | ||
p11_message (_("failed to obtain module")); | ||
goto cleanup; | ||
} | ||
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slot = p11_kit_iter_get_slot (iter); | ||
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rv = module->C_GetTokenInfo (slot, &token_info); | ||
if (rv != CKR_OK) { | ||
p11_message (_("couldn't load token info: %s"), p11_kit_strerror (rv)); | ||
goto cleanup; | ||
} | ||
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label = p11_kit_space_strdup (token_info.label, sizeof (token_info.label)); | ||
p11_list_printer_start_section (&printer, "token", "%s", label); | ||
free (label); | ||
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rv = module->C_GetMechanismList (slot, NULL, &mechanisms_count); | ||
if (rv != CKR_OK) { | ||
p11_message (_("querying amount of mechanisms failed: %s"), p11_kit_strerror (rv)); | ||
goto cleanup; | ||
} | ||
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mechanisms_new = reallocarray (mechanisms, mechanisms_count, sizeof (CK_MECHANISM_TYPE)); | ||
if (mechanisms_new == NULL) { | ||
p11_message (_("failed to allocate memory")); | ||
goto cleanup; | ||
} | ||
mechanisms = mechanisms_new; | ||
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rv = module->C_GetMechanismList (slot, mechanisms, &mechanisms_count); | ||
if (rv != CKR_OK) { | ||
p11_message (_("querying mechanisms failed: %s"), p11_kit_strerror (rv)); | ||
goto cleanup; | ||
} | ||
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for (i = 0; i < mechanisms_count; i++) { | ||
rv = module->C_GetMechanismInfo (slot, mechanisms[i], &mechanism_info); | ||
if (rv != CKR_OK) { | ||
p11_message (_("querying mechanism info failed: %s"), p11_kit_strerror (rv)); | ||
goto cleanup; | ||
} | ||
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print_mechanism_with_info (mechanisms[i], mechanism_info); | ||
} | ||
p11_list_printer_end_section (&printer); | ||
} | ||
assert (rv == CKR_CANCEL); | ||
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ret = 0; | ||
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cleanup: | ||
if (session) | ||
module->C_CloseSession (session); | ||
if (mechanisms) | ||
free (mechanisms); | ||
p11_kit_iter_free (iter); | ||
p11_kit_uri_free (uri); | ||
if (modules != NULL) | ||
p11_kit_modules_finalize_and_release (modules); | ||
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return ret; | ||
} | ||
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int | ||
p11_kit_list_mechanisms (int argc, | ||
char *argv[]) | ||
{ | ||
int opt; | ||
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enum { | ||
opt_verbose = 'v', | ||
opt_quiet = 'q', | ||
opt_help = 'h', | ||
}; | ||
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struct option options[] = { | ||
{ "verbose", no_argument, NULL, opt_verbose }, | ||
{ "quiet", no_argument, NULL, opt_quiet }, | ||
{ "help", no_argument, NULL, opt_help }, | ||
{ 0 }, | ||
}; | ||
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p11_tool_desc usages[] = { | ||
{ 0, "usage: p11-kit list-mechanisms pkcs11:token" }, | ||
{ 0 }, | ||
}; | ||
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while ((opt = p11_tool_getopt (argc, argv, options)) != -1) { | ||
switch (opt) { | ||
case opt_verbose: | ||
p11_kit_be_loud (); | ||
break; | ||
case opt_quiet: | ||
p11_kit_be_quiet (); | ||
break; | ||
case opt_help: | ||
p11_tool_usage (usages, options); | ||
return 0; | ||
case '?': | ||
return 2; | ||
default: | ||
assert_not_reached (); | ||
break; | ||
} | ||
} | ||
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argc -= optind; | ||
argv += optind; | ||
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if (argc != 1) { | ||
p11_tool_usage (usages, options); | ||
return 2; | ||
} | ||
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return list_mechanisms (*argv); | ||
} |
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